Weather alerts in Ohio, 2026
3,912 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 3,912
- Warnings
- 1,804
- Watches
- 166
- Advisories
- 522
- Busiest month
- August891 alerts
- Busiest day
- August 11, 2026211 alerts
Over time
By month
The alerts
3,912 alerts are too many to list on one page. Narrow it to a product above, to a month in the chart, or to a county.
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County258
- Licking County248
- Athens County232
- Trumbull County228
- Meigs County227
- Fairfield County220
- Morgan County215
- Portage County213
- Franklin County209
- Montgomery County206
- Preble County205
- Summit County204
- Gallia County202
- Perry County201
- Vinton County199
- Darke County196
- Warren County196
- Geauga County195
- Cuyahoga County195
- Lorain County193
- Hamilton County193
- Greene County192
- Stark County190
- Butler County187
- Huron County186
- Noble County184
- Pickaway County182
- Erie County181
- Wayne County181
- Jefferson County181
- Delaware County181
- Logan County181
- Clermont County181
- Hocking County180
- Shelby County179
- Mahoning County178
- Union County177
- Sandusky County176
- Guernsey County176
- Champaign County176
48 more counties
- Ashland County175
- Columbiana County175
- Clark County175
- Madison County173
- Ashtabula County172
- Auglaize County172
- Miami County172
- Medina County171
- Richland County171
- Belmont County170
- Ross County168
- Clinton County168
- Monroe County167
- Highland County166
- Crawford County165
- Jackson County163
- Fayette County163
- Muskingum County163
- Mercer County161
- Wood County160
- Harrison County160
- Morrow County159
- Brown County159
- Seneca County158
- Knox County157
- Hardin County155
- Carroll County154
- Marion County153
- Wyandot County152
- Lawrence County152
- Tuscarawas County150
- Lake County150
- Holmes County149
- Adams County149
- Van Wert County146
- Pike County144
- Hancock County143
- Scioto County143
- Allen County140
- Paulding County140
- Coshocton County140
- Lucas County137
- Defiance County136
- Ottawa County134
- Putnam County134
- Williams County133
- Henry County123
- Fulton County120
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.